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Natural Product Research Part A
Year: 2009  |  Volume: 23  |  Issue: 14  |  Page No.: 1330 - 1336

A new cerebroside from Gynura divaricata

Lei Chen, Jin-Jiang Wang, Guo-Gang Zhang, Hong-Tao Song and Lu-Ping Qin    

Abstract: A new cerebroside (1) was isolated from the aerial parts of Gynura divaricata DC., along with five known compounds: kaempferol (2), kaempferol 3-O-glucoside (3), kaempferol 3-O-rhamnosyl(1 → 6)glucoside (4), β-sitosteryl glucoside-6'-O-heptadecoicate (5) and 2-(1', 2', 3', 4'-tetrahydroxybutyl)-6-(2'', 3'', 4''-trihydroxybutyl)-pyrazine (6), which are isolated for the first time from this species. The structure of 1 was determined to be 1-O-β-D-glucopyranosyl-(2S, 3S, 4R, 10Z)-2-[(2'R)-2'-hydroxylignocenoyl-amino]-10-octadecene-1,3,4-triol on the basis of chemical and spectroscopic evidence.

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